Representing the chess club in Porsgrunn, Lie is the first Norwegian General Motors not from the Oslo vicinity. Lie started playing scholastic chess at the age of eight. In 2002, Lie was awarded the title of International Master.
The required three Grandmaster norms came in the Norwegian team chess championship of 2003 to 2004, Politiken Cup in Copenhagen in 2004, and Smartfish Chess Masters in Drammen in December 2004 and January 2005.
These wins gave Lie a rating of 2500.5, and it did not matter that Lie immediately proceeded to lose the third game. During the 2007 candidates matches in Elista, Lie served as Magnus Carlsen"s second, helping with analysis and preparations.
He was praised by Magnus"s father for his efforts and humor. Lie has played on the Norwegian team at the Chess Olympiads between 2000 and 2010.
Lie secured his first Norwegian chess championship in Bergen 2009 with 6.5/9 points, despite an upset loss to Lasse Løvik in the first round.
Lie"s playing style is aggressive and sacrificial, and he is known as a dangerous tactician. With White, Lie has varied between 1.c4 and 1.e4, with Black he prefers sharp defenses such as the Sicilian Defence and Benoni Defense.